tiffy9066 tiffy9066

03-05-2018
Chemistry

contestada

The half-life of cobalt-60 is 5.20 yr. how many milligrams of a 2.000-mg sample remain after 10.50 years?

Respuesta :

mkryukova19 mkryukova19

03-05-2018

final amount =initial anount *(1/2)^(t/half life)

final amount =2.000 mg *(1/2)^(10.5/5.20) = 0.493 mg remain after 10.5 years

Answer Link

Otras preguntas

PLEASE HURRY!!!Which common characteristic makes both batteries and fuel cells practical to use? They are portable resources that convert chemical energy to ele

Please I need somebody’s help

Which element is a noble gas

ottoman Empire successfully accumulate power

HELP PLEASE!!!!Which of the following is a polynomial with roots:

What characteristics are shared by most cells

Mom had just filled the cookie jar when the tree children went to bed. That night, one child woke up, ate half the cookies, then went back to bed. Later the sec

Do 21 and 23 go into the same number?

A baseball team ordered 12 jerseys. Each jersey costs the same amount. The shipping cost for the jerseys was $3 and the total cost of the order was $99. Whic

graph the line for y + 1 equals -3/5 parentheses x subtract 4 parentheses